Hank's first day as Lew Ashby's biographer is complicated when a hooker acquainted with both men claims that Hank is better in bed. Karen comes under the spell of a self-help guru while Charlie pitches himself as agent to a porn actress.

Hank and Karen's dinner party is derailed by Hank's botched marriage proposal to Karen, the revelation that Hank is likely the father of their friend Sonja's baby, and Lew's near-death from an allergic reaction to sushi.

Hank sets out to track down Lew's long-lost first love, and discovers that Sonja and her self-help guru boyfriend Julian have an open relationship. Mia spends a day trailed by a Rolling Stone reporter while Charlie's house becomes a porn set.

Hank meets an attractive new love interest in Becca's English teacher, but it turns out she's also the mother of Becca's boyfriend. Charlie discovers that Marcy has been hiding a financially devastating secret.